package main
import(
	"fmt"
)

func main(){
  //第一种
  var arr1 [3]int = [3]int{3,6,9}
  fmt.Println(arr1)
  //第二种
  var arr2 = [3]int{1,4,7}
  fmt.Println(arr2)
  //第三种
  var arr3 = [...]int{1,2,4,5}
  fmt.Println(arr3)
  //第四种
  var arr4 = [...]int{2:55,0:33,1:99,3:66}
  fmt.Println(arr4)
}